Add a new midend function to reset the tile size to the puzzle's

default (but still counting the <puzzle>_TILESIZE user preference
environment variables, where available).

[originally from svn r9820]

1 files changed, 24 insertions, 19 deletions

diff --git a/midend.c b/midend.c
index 41d562a..c361274 100644
--- a/midend.c
+++ b/midend.c
@@ -94,6 +94,29 @@ struct midend {
     } \
 } while (0)
 
+void midend_reset_tilesize(midend *me)
+{
+    me->preferred_tilesize = me->ourgame->preferred_tilesize;
+    {
+        /*
+         * Allow an environment-based override for the default tile
+         * size by defining a variable along the lines of
+         * `NET_TILESIZE=15'.
+         */
+
+	char buf[80], *e;
+	int j, k, ts;
+
+	sprintf(buf, "%s_TILESIZE", me->ourgame->name);
+	for (j = k = 0; buf[j]; j++)
+	    if (!isspace((unsigned char)buf[j]))
+		buf[k++] = toupper((unsigned char)buf[j]);
+	buf[k] = '\0';
+	if ((e = getenv(buf)) != NULL && sscanf(e, "%d", &ts) == 1 && ts > 0)
+	    me->preferred_tilesize = ts;
+    }
+}
+
 midend *midend_new(frontend *fe, const game *ourgame,
 		   const drawing_api *drapi, void *drhandle)
 {
@@ -153,25 +176,7 @@ midend *midend_new(frontend *fe, const game *ourgame,
     else
 	me->drawing = NULL;
 
-    me->preferred_tilesize = ourgame->preferred_tilesize;
-    {
-        /*
-         * Allow an environment-based override for the default tile
-         * size by defining a variable along the lines of
-         * `NET_TILESIZE=15'.
-         */
-
-	char buf[80], *e;
-	int j, k, ts;
-
-	sprintf(buf, "%s_TILESIZE", me->ourgame->name);
-	for (j = k = 0; buf[j]; j++)
-	    if (!isspace((unsigned char)buf[j]))
-		buf[k++] = toupper((unsigned char)buf[j]);
-	buf[k] = '\0';
-	if ((e = getenv(buf)) != NULL && sscanf(e, "%d", &ts) == 1 && ts > 0)
-	    me->preferred_tilesize = ts;
-    }
+    midend_reset_tilesize(me);
 
     sfree(randseed);